1 /* $OpenBSD: gadgetsyscall.h,v 1.2 2020/10/20 14:40:00 kettenis Exp $ */ 2 3 pid_t gadget_getpid() { 4 pid_t ans = 0; 5 #if defined(__aarch64__) 6 asm("ldr x8, #0x14; svc 0; dsb nsh; isb; mov %w0, w0" : "=r"(ans) :: "x0", "x8"); 7 #elif defined(__amd64__) 8 asm("mov $0x14, %%eax; syscall; mov %%eax, %0;" :"=r"(ans)::"%eax", "%ecx", "%r11"); 9 #endif 10 return ans; 11 } 12